{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["biology", "astronomical object", "animal", "instrument", "plant", "food"], "input": "The frosting is usually made from powdered ( icing ) sugar , sometimes a fat of some sort , milk or cream , and often flavorings such as a vanilla extract or cocoa powder ."}
{"biology": [], "astronomical object": [], "animal": [], "instrument": [], "plant": [], "food": ["vanilla extract", "cocoa powder"]}